CN115373518B - Method and device for dividing visibility of display area of vehicle-mounted display screen - Google Patents
Method and device for dividing visibility of display area of vehicle-mounted display screen Download PDFInfo
- Publication number
- CN115373518B CN115373518B CN202211269525.6A CN202211269525A CN115373518B CN 115373518 B CN115373518 B CN 115373518B CN 202211269525 A CN202211269525 A CN 202211269525A CN 115373518 B CN115373518 B CN 115373518B
- Authority
- CN
- China
- Prior art keywords
- clustering
- area
- screen
- region
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
Abstract
The invention discloses a method and a device for dividing visibility of a display area of a vehicle-mounted display screen, wherein the method comprises the following steps: displaying display contents for testing in a display area, wherein the display contents are presented in different position points, receiving operation information of the tested person for operating the different position points of the display screen, and acquiring eye movement data of the tested person; calculating a screen shielding area and a screen visible area by using the operation information of the different position points of the display screen operated by the tested person; and the visual area of the screen is divided again by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data. According to the invention, data analysis is automatically carried out according to the operation information of the operator for operating the display screen and the eye movement data during operation, the effectiveness of different partitions is checked by the eye movement index, and the partition results of different areas are obtained.
Description
Technical Field
The invention relates to the field of touch screen control, in particular to a method and a device for dividing visibility of a display area of a vehicle-mounted display screen.
Background
With the development of the intelligent cabin, a machine with multiple screens and a long-distance screen are gradually used by more and more vehicle enterprises, diversified screens and display technologies are improved, and more abundant information is displayed in the vehicle-mounted information system of each vehicle enterprise. The information presentation and arrangement positions in the vehicle-mounted screen can affect the control efficiency and driving safety of the driver. When the information is arranged in a visual area which can be quickly observed by a driver, the viewing and feedback efficiency is relatively high; when information is arranged in a visual disadvantage area or a blocked area where a driver needs to glance/turn around, viewing and feedback efficiency is low, and driving safety is even affected.
The eye position of the SAE-J941 automobile driver is used as a standard output eye ellipse, so that the visual field of the driver can be determined. And comparing the visual field of the driver with the human factor parameters of the vehicle screen, and outputting a visual area and a shielding area of the specific vehicle screen.
The SAE-J941 standard adopts European and American human body data instead of Asian human body data, so that the SAE-J941 standard has deviation from the actual situation of Chinese drivers; in addition, only the visible area and the shielding area of the screen are output in the process, and more detailed high-quality, second-quality and inferior areas in the visible area are not output in a subdivided manner, so that a designer cannot be effectively guided to carry out early design.
The prior art is therefore still subject to further development.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method and a device for dividing the visibility of a display area of a vehicle-mounted display screen, which are used for dividing a touch area in the vehicle-mounted display screen.
The invention provides a method for dividing visibility of display areas of a vehicle-mounted display screen, which comprises the following steps:
displaying display contents for testing in a display area, wherein the display contents are presented in different position points, receiving operation information of the tested person for operating the different position points of the display screen, and acquiring eye movement data of the tested person;
calculating a screen shielding area and a screen visible area by using the operation information of the different position points of the display screen operated by the tested person;
and the visual area of the screen is divided again by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data.
Optionally, the display content includes preset font and/or number related to driving, and the display content is displayed at different position points in the defined area.
Optionally, the operation information includes a click accuracy, and the calculating of the screen occlusion area and the screen visible area by using the operation information of the different position points of the display screen operated by the detected person includes:
and taking a first set area formed by position points with the click accuracy rate smaller than a preset threshold value as a screen shielding area, connecting boundary points of the screen shielding area and fitting the boundary of the screen shielding area.
Optionally, the operation information includes click accuracy and first reaction time, and the eye movement data includes first gaze time and second gaze time;
the method for subdividing the screen visual area by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data comprises the following steps:
using a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively, obtaining a plurality of clustering areas corresponding to the first reaction time, the first watching time and the second watching time respectively according to a clustering result, and performing union processing on the clustering areas according to a preset rule;
and obtaining the area which divides the visible area of the screen again.
Optionally, the obtaining, according to the clustering result, a plurality of clustering regions respectively corresponding to the first reaction time, the first gazing time, and the second gazing time, and merging the clustering regions according to a preset rule includes:
obtaining a first clustering region, a second clustering region and a third clustering region corresponding to the first response time according to clustering results, obtaining a fourth clustering region, a fifth clustering region and a sixth clustering region corresponding to the first watching time according to clustering results, obtaining a seventh clustering region, an eighth clustering region and a ninth clustering region corresponding to the second watching time according to clustering results,
taking the union of the first clustering region, the fourth clustering region and the seventh clustering region as a high-priority visual region, taking the union of the second clustering region, the fifth clustering region and the eighth clustering region as a suboptimal visual region, and taking the union of the third clustering region, the sixth clustering region and the ninth clustering region as an inferior visual region; the clustering priorities of the first clustering region, the second clustering region and the third clustering region are sequentially reduced, the clustering priorities of the fourth clustering region, the fifth clustering region and the sixth clustering region are sequentially reduced, and the clustering priorities of the seventh clustering region, the eighth clustering region and the ninth clustering region are sequentially reduced.
In a second aspect of the present invention, an apparatus for partitioning visibility of display area of a vehicle-mounted display screen is provided, comprising:
the testing module is used for displaying display contents for testing in the display area, wherein the display contents are displayed at different position points, receiving operation information of the different position points of the display screen operated by a tested person, and acquiring eye movement data of the tested person;
the first processing module is used for calculating a screen shielding area and a screen visible area by utilizing the operation information of the different position points of the display screen operated by the tested person;
and the second processing module is used for subdividing the visual area of the screen by utilizing the operation information of the different position points of the display screen operated by the tested person and the eye movement data.
Optionally, the display content includes preset font and/or number related to driving, and the display content is displayed at different position points in the defined area.
Optionally, the first processing module comprises a first processing unit, and the first processing unit is configured to:
and taking a first set area formed by position points with the click accuracy rate smaller than a preset threshold value in the operation information as a screen shielding area, connecting boundary points of the screen shielding area, and fitting the boundary of the screen shielding area.
Optionally, the operation information includes click accuracy and first reaction time, and the eye movement data includes first fixation time and second fixation time;
the second processing module comprises a second processing unit, and the second processing unit is used for:
using a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively, obtaining a plurality of clustering areas corresponding to the first reaction time, the first watching time and the second watching time respectively according to a clustering result, and performing union processing on the clustering areas according to a preset rule; and obtaining the area for dividing the visible area of the screen again.
In a third aspect of the present invention, there is provided a vehicle comprising:
an electronic device comprising at least one processor; and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, the processor being capable of performing the method according to the first aspect of an embodiment of the invention when invoked by the processor.
In a fourth aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a computer, performs the method according to the first aspect of the embodiments of the present invention.
According to the invention, data analysis is automatically carried out according to the operation information of the operator for operating the display screen and the eye movement data during operation, the effectiveness of different partitions is checked by the eye movement index, and the partition results of different areas are obtained. The invention can rapidly and efficiently produce screen visibility partitions and carry out quantitative verification, and aims to provide a method for efficiently and carefully measuring the screen visibility of a cabin.
Drawings
Fig. 1 is a schematic flow chart of a method for partitioning visibility of a display area of a vehicle-mounted display screen according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an occlusion region and a visible region divided by a display region according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for subdividing a screen visual area according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating the screen view region being subdivided according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a device for partitioning visibility of a display area of a vehicle-mounted display screen according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Before the invention is implemented, a driving simulation system can be built to carry out a driving simulation task, and the division of the visibility of the display screen is completed. The display screen size that driving simulation system used is greater than on-vehicle display screen usually, consequently can adapt to the test demand of the on-vehicle display screen of different sizes.
Building a cockpit system including, but not limited to, a seat, a steering wheel, a pedal, an in-vehicle screen, etc.; the method comprises the steps of building a road display system, such as a display screen/projection equipment capable of showing real road influence, and building a signal transmission and data acquisition system, such as steering wheel steering, square control keys, an accelerator and brake signals.
And fitting the simulated cockpit to the data of the developed vehicle type, including but not limited to the simulation of the distance, such as the seat position, the steering wheel position, the pedal position and the screen position, and the simulation of the screen (such as adjusting the displayable area) consistent with the developed vehicle type.
The daily driving behavior of the user is simulated to ensure the ecological effectiveness of the test: the user is required to hold the steering wheel by hand, fasten a safety belt, adjust the positions of the steering wheel and the seat to the daily driving positions of the steering wheel and the seat, present a closed real road, and keep the user running in the middle of a fixed lane, and keep the vehicle speed at about 60 km/h. A simulated driving task similar to the real driving environment is employed. The real driving situation can be deduced by simulating the real testing environment, so that the ecological efficiency is higher. Therefore, the visibility division of the vehicle-mounted display screen can be completed by the division method based on the visibility of the cabin data in the early stage of the development of the whole vehicle.
In addition, the display screen comprises a cathode ray tube, a liquid crystal display, an OLED display screen and the like, and the test environment relates to the relative position and distance of the display screen in the cabin, the position of a steering wheel, the ambient light illumination, the stable and unstable environments, the screen shielding, the information size, different vehicle types and the like.
Referring to fig. 1, the present invention provides a method for dividing visibility of display areas of a vehicle-mounted display screen, including:
step 110: displaying display contents for testing in a display area, wherein the display contents are displayed at different position points, receiving operation information of the tested person operating the display screen at the different position points, and simultaneously acquiring eye movement data of the tested person.
And controlling display contents at the position of the display area of the vehicle-mounted display screen by using the application control program, wherein the display contents are used for testing the visibility of the display screen to the driver and passengers. The display area of the display content can be a whole display screen or a part of the display area of the display screen, and the part of the display area or the display area of the display screen can display some functions of the vehicle cabin, including but not limited to instrument information, control information, entertainment information and the like.
And the display content display position point is a pixel position point which is set according to the display area and presents the stimulation point. Illustratively, the original screen total length L1 (mm), the total height H1 (mm), the screen resolution Z1 ppi, the simulated cockpit screen total length L2 (mm), the total height H2 (mm), and the screen resolution Z2 ppi of a vehicle model are developed, wherein L2> = L1, H2> = H1. An area with the determined physical size of L1 (mm) × h1 (mm) is arranged in the screen of the simulated cockpit, the upper left corner of the defined area is used as an origin, and the pixel positions of the stimulation presenting points are as follows: (0 + n1 + 10 + Z2/Z1,0+ n2 + 10 + Z2/Z1), wherein n1 belongs to [1, L1/10], n2 belongs to [1, H1/10], n1 and n2 are positive integers.
The display content comprises preset fonts and/or numbers related to driving, and is displayed at different position points in a demarcated area. The demarcated areas are different display areas which are set and need to be determined in advance.
The display screen often shows XX way, turn around after XX meter in navigation, therefore the display content simulates the typeface, picture related to real driving. The database may be constructed for display. For example, 2-word words frequently occurring in a car machine system are collected, wherein one part of words in a database contains 'way' and the other part does not contain 'way'; the 2-bit data includes 6 in one part and 6 in the other part.
During specific testing, exemplarily, one display word is randomly extracted from the database, and after a prompt tone is played, one randomly selected point in the position points is presented for each test, so that an operator can execute a judgment task on a display screen touch screen (for example, whether characters contain a 'way' or not and whether numbers contain a '6' or not can be judged by clicking different keys). In order to keep the data stable and effective, the times of corresponding contents of different keys at each display position are consistent, the presenting times are not less than 4, and if a certain same position needs to ensure that a road, a turn around, an 18 and a 16 are presented in the whole process. The key-press reaction and the reaction time length of an operator at each time are automatically recorded through a program, and an eye movement track, the moving time from the initial sight of each trial user to the fixation point, the fixation time to stimulation and the like are recorded through an eye tracker in the experimental process.
Step 120: and calculating a screen shielding area and a screen visible area by using the operation information of the different position points of the display screen operated by the tested person.
In this step, the operation information includes the click correctness rate of the operator for judging the display content by clicking the key during the test, i.e. the click correctness percentage. In an embodiment of the present invention, the click accuracy is compared with a preset threshold, and if the click accuracy is lower than the preset threshold, the set of position points of the display content is determined as the screen occlusion area. The position points represent the range areas displaying fonts and numbers, if the click accuracy in some areas is lower than a preset threshold, the click accuracy of the position points around the certain areas is lower than the preset threshold, and on the basis, the set of the position points can be used as a screen shielding area and is marked as delta.
Correspondingly, the rest of the display area except the screen shielding area is a screen visible area, namely, the area with the clicking accuracy larger than the preset threshold is used as the screen visible area, and an operator can see the display area in a normal driving state. It should be understood that the area with the click accuracy equal to the preset threshold may be used as a screen shielding area or a screen visible area, and may be specifically determined according to design requirements, that is, the area with the click accuracy equal to the preset threshold may be understood as one of the two areas in the present invention.
In an embodiment, the preset threshold is 50%, although as an alternative, the click error rate may be set as a calculation manner, that is, the click error rate is greater than the preset threshold.
Further, after the screen occlusion region and the screen visible region of the display region are determined, in order to more clearly define the boundary between the screen occlusion region and the screen visible region, the screen occlusion region may be determined, and a connection line based on the position points is fitted, it should be understood that the boundary is only used for distinguishing the division function of the display region, and is not displayed as a visible solid line; of course, the above-mentioned boundary can be distinguished by the background of the two regions when displaying the specific content.
In one embodiment, defining the boundary is performed by:
and taking a first set area formed by position points with the click accuracy rate smaller than a preset threshold value as a screen shielding area, connecting boundary points of the screen shielding area and fitting the boundary of the screen shielding area.
Referring to fig. 2, a lower left corner region in the drawing is a first aggregation region, a left vertical line and a lower horizontal line in the first aggregation region are a left boundary and a lower boundary of the display screen, respectively, and the first aggregation region connects the two boundaries through a curve. Specifically, the edge point of the screen shielding area is used as a starting point, the position point with the click accuracy rate smaller than the preset threshold value is connected, the area edge is determined, and specifically, the coordinate execution of the position point can be calculated by using a program. Smoothly connecting each position point, and fitting a quadratic equation by taking the upper left corner of the screen as an origin to obtain a final boundary curve;the quadratic equation has the structure as follows: y = ex 2 + fx + g, where e, f, g are constants.
Step 130: and the visual area of the screen is divided again by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data.
In this step, the display priority of other display areas outside the screen shielding area can be calculated, the screen visible area is divided again, and an area more suitable for displaying important content in the screen visible area is identified, which is beneficial to the design of a vehicle-mounted system.
The operation information comprises click accuracy and first reaction time, and the eye movement data comprises first fixation time and second fixation time. The click accuracy is recorded as a, the first reaction time is the average reaction time b under the correct reaction, the first watching time is the average moving time value from the initial of each trial time of the correct reaction to the watching point, and the second watching time is the watching time of the operator in the target presentation area under the correct reaction.
The subdivision of the visible area of the screen is based on solving the problem: only the visible area and the shielded area of the screen are output, and more detailed high-quality, second-quality and inferior areas in the visible area are output without subdivision, so that a designer cannot be effectively guided to carry out early design.
Reference may be made to fig. 3 and fig. 4, where fig. 3 is a schematic flowchart illustrating a method for subdividing a screen visual area according to an embodiment of the present invention, and fig. 4 is a schematic diagram illustrating a method for subdividing a screen visual area into high-priority, sub-optimal, and disadvantage areas.
In the above step, the method further includes the following steps of subdividing the screen visible area by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data:
step 131: and taking a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, and clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively.
In the step, data of each position point in a screen visible area are respectively calculated, the screening of the area is completed, and the validity of different partitions is checked by eye movement indexes.
In the clustering process, a k-means clustering algorithm (k-means clustering algorithm) is adopted, a clustering mode taking first reaction time as an example is adopted, data are divided into 3 clusters in advance, 3 data points are randomly selected as initial class centroids, and a certain data point (x) is used 2 ，y 2 ) To the class centroid (x) 1 ，y 1 ) Taking the distance ρ as an example, the Euclidean distance formula is adopted:
the distance of each data point to the centroid is calculated. Each object is assigned to the class centroid closest to it, and the class centroid is recalculated according to the intra-class mean to form a new centroid. Stopping the calculation until either: no data points are reassigned to different categories; or no change in the centroid of the class; or the sum of squared errors reaches a certain set value or the error reaches a minimum. Finally, 3 cluster classification data sets b1, b2 and b3 are formed, the data sets comprise position point coordinates, b1 is a data set with relatively small reaction time, b2 is a data set with medium reaction time, and b3 is a data set with relatively large reaction time.
The clusters of the first gazing time and the second gazing time can be calculated by referring to the above, and the corresponding 3-family classification can be obtained, which will be described in detail later.
Step 132: and obtaining a plurality of clustering areas respectively corresponding to the first reaction time, the first watching time and the second watching time according to a clustering result, and performing union processing on the clustering areas according to a preset rule.
In this step, each time index obtains three cluster classifications, each classification corresponds to a different priority level, and when a certain region has the same cluster classification level at the same time, the region is the corresponding priority visibility level. For example, the cluster family set marked as the high-priority zone is a set of three optimal regions in three clusters corresponding to three time indexes, in this embodiment, three data sets with relatively small time indexes.
Step 133: resulting in a region that is subdivided into the visible regions of the screen, as shown in fig. 4.
In one embodiment, the visual area of the screen is divided into three levels of visual area, and thus is divided into three cluster clusters when performing the cluster calculation. Of course, if more region division is required, more cluster calculation can be performed, or two cluster calculations can be performed, and the implementation processes are similar.
In one embodiment, this is achieved by:
and obtaining a first clustering region, a second clustering region and a third clustering region corresponding to the first reaction time according to clustering results, obtaining a fourth clustering region, a fifth clustering region and a sixth clustering region corresponding to the first watching time according to clustering results, and obtaining a seventh clustering region, an eighth clustering region and a ninth clustering region corresponding to the second watching time according to clustering results.
The clustering priorities of the first clustering region, the second clustering region and the third clustering region are sequentially reduced, the clustering priorities of the fourth clustering region, the fifth clustering region and the sixth clustering region are sequentially reduced, and the clustering priorities of the seventh clustering region, the eighth clustering region and the ninth clustering region are sequentially reduced. As can be seen from the disclosure of the embodiment of the present invention, the cluster priorities are sequentially reduced, and the cluster division areas correspond to three result levels of each condition, for example, the first reaction time corresponding to the position point of the first cluster area is shorter than the first reaction time corresponding to the position point of the second cluster area, and the first reaction time corresponding to the position point of the third cluster area is longer, such as the first cluster area, the second cluster area, and the third cluster area corresponding to the first reaction time. The fourth to ninth clustering regions may be understood with reference to the above.
And taking the union of the first clustering region, the fourth clustering region and the seventh clustering region as a high-priority visual region, taking the union of the second clustering region, the fifth clustering region and the eighth clustering region as a suboptimal visual region, and taking the union of the third clustering region, the sixth clustering region and the ninth clustering region as an inferior visual region.
For ease of understanding, the first, second, and third clustering regions are labeled b1, b2, b3; the marks of the fourth clustering area, the fifth clustering area and the sixth clustering area are c1, c2 and c3, and the marks of the seventh clustering area, the eighth clustering area and the ninth clustering area are d1, d2 and d3.
Referring to the b1, b2 and b3 calculation method obtained by calculating the first reaction time, c1, c2, c3, d1, d2 and d3 can be obtained by adopting a k-means clustering algorithm. Wherein c1 and d1 are the eye movement time data which are relatively small and reflect the faster recognition speed, and c2 and d2 are the eye movement time data which are relatively large and c3 and d3 are the eye movement time data.
As described above, taking the corresponding data sets, wherein each data set corresponds to a displayed position point, and the position points form a set area; based on the method, the screen visible area can be divided according to the union set again: preferentially determining a high-quality area, then fitting an edge curve, then determining the edge of a suboptimal area, then fitting the curve and removing the high-quality area. And (3) taking the coordinate data of the position points in b1, c1 and d1, enabling the high-quality area to be belonged to b1 and U1, and performing curve fitting on the edge position of the high-quality area to give a final curve so as to form a final high-quality area alpha. And (3) taking the coordinate data of the position points in b2, c2 and d2, enabling the suboptimal region to be epsilon b2 ^ c2 ^ d2, carrying out curve fitting on the edge position of the suboptimal region, giving a final outer ring curve, and excluding the overlapping region with the high-priority region to form a final suboptimal region beta. Specifically, as shown in fig. 4, except for the occlusion region δ, the high-priority region α and the sub-priority region β, the other regions are the visual disadvantage regions γ.
According to the invention, data analysis is automatically carried out according to the operation information of the operator for operating the display screen and the eye movement data during operation, the effectiveness of different partitions is checked by the eye movement index, and the partition results of different areas are obtained. The invention can rapidly and efficiently produce screen visibility partitions and carry out quantitative verification, and aims to provide a method for efficiently and carefully measuring the screen visibility of a cabin.
As shown in fig. 5, an apparatus for partitioning visibility of display area of a vehicle-mounted display screen includes:
the testing module 51 is configured to display content for testing in a display area, where the display content is displayed at different position points, receive operation information of the different position points of a display screen operated by a person to be tested, and obtain eye movement data of the person to be tested;
the first processing module 52 is configured to calculate a screen occlusion area and a screen visible area by using the operation information of the different position points of the display screen operated by the detected person;
and the second processing module 53 is configured to divide the screen visible area again by using the operation information of the different position points of the display screen operated by the detected person and the eye movement data.
The display content comprises preset font and/or numbers related to driving, and the display content is displayed at different position points in a defined area.
The first processing module 52 comprises a first processing unit for:
and taking a first set area formed by position points with the click accuracy rate smaller than a preset threshold value in the operation information as a screen shielding area, connecting boundary points of the screen shielding area, and fitting the boundary of the screen shielding area.
The operation information comprises click accuracy and first reaction time, and the eye movement data comprises first fixation time and second fixation time;
the second processing module 53 comprises a second processing unit configured to:
using a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively, obtaining a plurality of clustering areas corresponding to the first reaction time, the first watching time and the second watching time respectively according to a clustering result, and performing union processing on the clustering areas according to a preset rule; and obtaining the area for dividing the visible area of the screen again.
Further, the second processing module 53 is further configured to: obtaining a first clustering region, a second clustering region and a third clustering region corresponding to the first response time according to clustering results, obtaining a fourth clustering region, a fifth clustering region and a sixth clustering region corresponding to the first watching time according to clustering results, obtaining a seventh clustering region, an eighth clustering region and a ninth clustering region corresponding to the second watching time according to clustering results,
taking a union of the first clustering region, the fourth clustering region and the seventh clustering region as a high-quality visual region, taking a union of the second clustering region, the fifth clustering region and the eighth clustering region as a suboptimal visual region, and taking a union of the third clustering region, the sixth clustering region and the ninth clustering region as an inferior visual region; the clustering priorities of the first clustering region, the second clustering region and the third clustering region are sequentially reduced, the clustering priorities of the fourth clustering region, the fifth clustering region and the sixth clustering region are sequentially reduced, and the clustering priorities of the seventh clustering region, the eighth clustering region and the ninth clustering region are sequentially reduced.
The present invention also provides a vehicle comprising:
an electronic device, as shown in FIG. 6, comprising at least one processor; and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions which can be executed by the processor, and the processor calls the program instructions to execute the touchable dividing method of the display area of the vehicle-mounted display screen.
The invention further provides a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when the computer program is executed by a processor, the method for partitioning the visibility of the display area of the vehicle-mounted display screen is realized.
It is understood that the computer-readable storage medium may include: any entity or device capable of carrying a computer program, recording medium, U-disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), software distribution medium, and the like. The computer program includes computer program code. The computer program code may be in the form of source code, object code, an executable file or some intermediate form, and the like. The computer-readable storage medium may include: any entity or device capable of carrying computer program code, recording medium, U-disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), software distribution medium, and the like.
In some embodiments of the present invention, the apparatus may include the controller, and the controller is a single chip integrated with the processor, the memory, the communication module, and the like. The processor may refer to a processor included in the controller. The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional generic sense in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for dividing visibility of a display area of a vehicle-mounted display screen is characterized by comprising the following steps:
displaying display contents for testing in a display area, wherein the display contents are presented in different position points, receiving operation information of the tested person for operating the different position points of the display screen, and acquiring eye movement data of the tested person;
calculating a screen shielding area and a screen visible area by using the operation information of the different position points of the display screen operated by the tested person; the operation information comprises click accuracy, a first set area formed by position points with click accuracy smaller than a preset threshold value is used as a screen shielding area during calculation, and the boundary points of the screen shielding area are connected and fitted to form the boundary of the screen shielding area;
and the visual area of the screen is divided again by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data.
2. The method for dividing the visibility of the display area of the vehicle-mounted display screen according to claim 1, wherein the display content comprises preset driving-related fonts and/or numbers, and the display content is displayed at different position points in a defined area.
3. The method for dividing the visibility of the display area of the vehicle-mounted display screen according to claim 1, wherein the operation information comprises click accuracy, first reaction time, and the eye movement data comprises first fixation time and second fixation time;
the method for subdividing the screen visible area by using the operation information of the different position points of the display screen operated by the tested person and the eye movement data comprises the following steps:
using a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively, obtaining a plurality of clustering areas corresponding to the first reaction time, the first watching time and the second watching time respectively according to a clustering result, and performing union processing on the clustering areas according to a preset rule;
and obtaining the area for dividing the visible area of the screen again.
4. The method for dividing the visibility of the display area of the on-vehicle display screen according to claim 3, wherein the obtaining of the plurality of clustering areas respectively corresponding to the first reaction time, the first watching time and the second watching time according to the clustering result, and the merging of the plurality of clustering areas according to a preset rule comprises:
obtaining a first clustering region, a second clustering region and a third clustering region corresponding to the first response time according to clustering results, obtaining a fourth clustering region, a fifth clustering region and a sixth clustering region corresponding to the first watching time according to clustering results, obtaining a seventh clustering region, an eighth clustering region and a ninth clustering region corresponding to the second watching time according to clustering results,
taking the union of the first clustering region, the fourth clustering region and the seventh clustering region as a high-priority visual region, taking the union of the second clustering region, the fifth clustering region and the eighth clustering region as a suboptimal visual region, and taking the union of the third clustering region, the sixth clustering region and the ninth clustering region as an inferior visual region; the clustering priorities of the first clustering region, the second clustering region and the third clustering region are sequentially reduced, the clustering priorities of the fourth clustering region, the fifth clustering region and the sixth clustering region are sequentially reduced, and the clustering priorities of the seventh clustering region, the eighth clustering region and the ninth clustering region are sequentially reduced.
5. The utility model provides a device for dividing visibility of on-vehicle display screen display area which characterized in that includes:
the testing module is used for displaying display contents for testing in the display area, wherein the display contents are displayed at different position points, receiving operation information of the different position points of the display screen operated by a tested person, and acquiring eye movement data of the tested person;
the first processing module is used for calculating a screen shielding area and a screen visible area by utilizing the operation information of the different position points of the display screen operated by the tested person; the operation information comprises click accuracy, and during calculation, a first set area formed by position points with click accuracy smaller than a preset threshold value is used as a screen shielding area, and the boundary points of the screen shielding area are connected and fitted to form the boundary of the screen shielding area;
and the second processing module is used for subdividing the visual area of the screen by utilizing the operation information of the different position points of the display screen operated by the tested person and the eye movement data.
6. The apparatus for dividing the visibility of the display area of the on-vehicle display screen according to claim 5, wherein the display content includes a preset driving-related font and/or number, and the display content is displayed at different position points within the divided area.
7. The device for dividing the visibility of the display area of the on-vehicle display screen according to claim 5, wherein the first processing module comprises a first processing unit, and the first processing unit is configured to:
and taking a first set area formed by position points with the click accuracy rate smaller than a preset threshold value in the operation information as a screen shielding area, connecting boundary points of the screen shielding area, and fitting the boundary of the screen shielding area.
8. The dividing apparatus for visibility of a display area of an on-vehicle display screen according to claim 5, wherein the operation information includes a click accuracy, a first reaction time, and the eye movement data includes a first gaze time and a second gaze time;
the second processing module comprises a second processing unit configured to:
using a second set area formed by position points with the click accuracy rate not less than a preset threshold value as a screen visible area, clustering the position points in the screen visible area according to the first reaction time, the first watching time and the second watching time respectively, obtaining a plurality of clustering areas corresponding to the first reaction time, the first watching time and the second watching time respectively according to a clustering result, and performing union processing on the clustering areas according to a preset rule; and obtaining the area for dividing the visible area of the screen again.
9. A vehicle, characterized by comprising:
an electronic device comprising at least one processor; and at least one memory communicatively coupled to the processor, wherein: the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1-4.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when executed by a computer, performs the method of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211269525.6A CN115373518B (en) | 2022-10-18 | 2022-10-18 | Method and device for dividing visibility of display area of vehicle-mounted display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211269525.6A CN115373518B (en) | 2022-10-18 | 2022-10-18 | Method and device for dividing visibility of display area of vehicle-mounted display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115373518A CN115373518A (en) | 2022-11-22 |
| CN115373518B true CN115373518B (en) | 2023-03-03 |
Family
ID=84073392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211269525.6A Active CN115373518B (en) | 2022-10-18 | 2022-10-18 | Method and device for dividing visibility of display area of vehicle-mounted display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115373518B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200921495A (en) * | 2007-11-01 | 2009-05-16 | Univ Chaoyang Technology | Touch screen user interface with hit-testing mechanism determined by touch-occluded region and shape |
| CN105451093A (en) * | 2015-11-05 | 2016-03-30 | 小米科技有限责任公司 | Method and apparatus for adjusting visual area of screen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5847058B2 (en) * | 2012-11-08 | 2016-01-20 | 本田技研工業株式会社 | Vehicle display device |
| KR20200106123A (en) * | 2019-02-28 | 2020-09-11 | 현대자동차주식회사 | Vehicle and controlling method of the vehicle |
| CN110764859B (en) * | 2019-10-21 | 2023-06-02 | 三星电子（中国）研发中心 | Method for automatically adjusting and optimally displaying visible area of screen |
-
2022
- 2022-10-18 CN CN202211269525.6A patent/CN115373518B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200921495A (en) * | 2007-11-01 | 2009-05-16 | Univ Chaoyang Technology | Touch screen user interface with hit-testing mechanism determined by touch-occluded region and shape |
| CN105451093A (en) * | 2015-11-05 | 2016-03-30 | 小米科技有限责任公司 | Method and apparatus for adjusting visual area of screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115373518A (en) | 2022-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kircher et al. | The impact of tunnel design and lighting on the performance of attentive and visually distracted drivers | |
| Chen et al. | A graphical modeling method for individual driving behavior and its application in driving safety analysis using GPS data | |
| Reimer et al. | Assessing the impact of typeface design in a text-rich automotive user interface | |
| EP3796112A1 (en) | Virtual vehicle control method, model training method, control device and storage medium | |
| Olaverri-Monreal et al. | Impact of in-vehicle displays location preferences on drivers' performance and gaze | |
| Broy et al. | 3d displays in cars: Exploring the user performance for a stereoscopic instrument cluster | |
| Kotseruba et al. | Behavioral research and practical models of drivers' attention | |
| Hu et al. | Impact of HMI on driver’s distraction on a freeway under heavy foggy condition based on visual characteristics | |
| Wang et al. | SafeDrive: A new model for driving risk analysis based on crash avoidance | |
| CN115373518B (en) | Method and device for dividing visibility of display area of vehicle-mounted display screen | |
| CN113642114B (en) | Personified random following driving behavior modeling method capable of making mistakes | |
| Neuhuber et al. | Interaction strategies with advanced driver assistance systems | |
| Ziefle et al. | Visual and auditory interfaces of advanced driver assistant systems for older drivers | |
| Ma et al. | Impact of in-vehicle touchscreen size on visual demand and usability | |
| Yuan et al. | Predicting drivers’ eyes-off-road duration in different driving scenarios | |
| Grahn et al. | On the relationship between occlusion times and in-car glance durations in simulated driving | |
| Reimer et al. | An exploratory study on the impact of typeface design in a text rich user interface on off-road glance behavior | |
| Bellotti et al. | Designing configurable automotive dashboards on liquid crystal displays | |
| CN113971897A (en) | Driving simulation system, and method and device for calibrating degree of truth of driving simulation system | |
| CN105774642A (en) | Accelerator opening degree information display method and device and vehicle | |
| Brooks | Preliminary examinations of the time to read electronic maps: The effects of text and graphic characteristics | |
| JP6401821B1 (en) | Operating load estimation device | |
| US20210284197A1 (en) | Accident pattern determination apparatus and method | |
| KR20190019823A (en) | Apparatus and method for providing speedometer information | |
| Regan | A sign of the future II: human factors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |